Billy Crystal knew he was famous when he saw his face on this

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Sure, he's a big star, but what was the moment Billy Crystal realized he had truly made it. Believe it or not, it was when one of his grandchildren pooped on him.

You've got to hear this one, and you can do just that in the video above. It's all a part of our Chris Parente's exclusive interview with the star of "Monsters University."

Also in this edition of the Entertainment Plus, we’re one-on-one with the director of “Man Of Steel,” and the wildest Zombie transformation you’ve ever seen.

Watch the video above for more.

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